the.com/drained
Running on fumes after the tank quietly emptied through a hole you never found.
means Completely emptied of energy, emotion, or liquid, leaving nothing in reserve.
from From Old English dreahnian, to strain or filter off liquid; the bone-tired sense seeped in by the 1800s, as if exhaustion were just fatigue trickling out the bottom.
Plumbing rootsOriginal meaning was purely about draining marshes.
Emotional driftFigurative human exhaustion only arrived centuries later.
Color cousinDrained also describes faces gone pale white.